This book offers the most comprehensive treatment of issues and methods of research in communicative disorders. The third edition retains the strengths of the previous editions while adding a new chapter on treatment research. This new chapter provides an overview of special issues faced by treatment researchers. It also provides a review of randomized clinical trials and examines their usefulness in evaluating treatment procedures in communicative disorders.

The book includes all major group and single-subject designs and offers a comparative evaluation of different experimental design options. Contents include Why Study Science and Research Methods?, An Introduction to Research: The Formal and Formative Approaches, Science and Its Basic Concepts, Treatment Research, Other Types of Research, Observation and Measurement, Research Designs: An Introduction, The Group Design Strategy, Single-Subject Designs, Generality Through Replications, Comparative Evaluation of Design Strategies, Designs Versus Paradigms in Research, How to Formulate Research Questions, How to Write Research Reports, How to Evaluate Research Reports, and Ethics of Research.

This book offers the most comprehensive treatment of issues and methods of research in communicative disorders. The third edition retains the strengths of the previous editions while adding a new chapter on treatment research. This new chapter provides an overview of special issues faced by treatment researchers. It also provides a review of randomized clinical trials and examines their usefulness in evaluating treatment procedures in communicative disorders.

The book includes all major group and single-subject designs and offers a comparative evaluation of different experimental design options. Contents include Why Study Science and Research Methods?, An Introduction to Research: The Formal and Formative Approaches, Science and Its Basic Concepts, Treatment Research, Other Types of Research, Observation and Measurement, Research Designs: An Introduction, The Group Design Strategy, Single-Subject Designs, Generality Through Replications, Comparative Evaluation of Design Strategies, Designs Versus Paradigms in Research, How to Formulate Research Questions, How to Write Research Reports, How to Evaluate Research Reports, and Ethics of Research.